Abstract: A shell reinforcing structure for a fuel cell humidifier comprises a main body shell, fixed plates and grating mechanisms, wherein the side edges of the main body shell are fixedly connected with the fixed plates, the side edge of the fixed plate is provided with an end cover, the upper part of the end cover on the left side is fixedly connected with a dry air inlet tube, the left side of the upper part of the main body shell is fixedly connected with a moisture outlet tube, the right side of the upper part of the main body shell is fixedly connected with a moisture inlet tube, the upper end of the end cover on the right side is fixedly connected with a dry air outlet tube, fixed holes are formed in the side edge surface of the fixed plate.

Abstract: A sealing structure of a humidifier includes a main structure, a left end cover, and a right end cover. The left end cover and the right end cover are arranged on left and right end faces of the main structure, respectively. A dry air inlet tube is connected to a top end face of the left end cover, and a dry air outlet tube is connected to a top end face of the right end cover. A wet air outlet tube and a wet air inlet tube are connected to left and right sides of a top end face of the main structure, respectively. Membrane tubes are arranged on an inner side of the main structure. Potting resin layers are arranged on both ends of the membrane tubes. High-temperature resistant sealant layers are arranged at connecting portions between each end cover and the main structure.